Lua APA (7ú heag.)

Hitchcock, E. (1853). Elementary geology (8th ed.). Newman and Ivison ; Moore & Anderson; [etc., etc.].

Lua i Stíl Chicago (17ú heag.)

Hitchcock, Edward. Elementary Geology. 8th ed. New York : Cincinnati: Newman and Ivison ; Moore & Anderson; [etc., etc.], 1853.

Lua MLA (8ú heag.)

Hitchcock, Edward. Elementary Geology. 8th ed. Newman and Ivison ; Moore & Anderson; [etc., etc.], 1853.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.